neocities/app/event.rb

post '/event/:event_id/toggle_like' do |event_id|
  require_login
  content_type :json
  event = Event[id: event_id]
  liked_response = event.toggle_site_like(current_site) ? 'liked' : 'unliked'
  {result: liked_response, event_like_count: event.likes_dataset.count, liking_site_names: event.liking_site_usernames}.to_json
end

post '/event/:event_id/comment' do |event_id|
  require_login
  content_type :json
  event = Event[id: event_id]

  site = event.site

  if site.is_blocking?(current_site) ||
     site.profile_comments_enabled == false ||
     current_site.commenting_allowed? == false
    return {result: 'error'}.to_json
  end

  event.add_site_comment current_site, params[:message]
  {result: 'success'}.to_json
end

post '/event/:event_id/update_profile_comment' do |event_id|
  require_login
  content_type :json
  event = Event[id: event_id]
  return {result: 'error'}.to_json unless current_site.id == event.profile_comment.actioning_site_id

  event.profile_comment.update message: params[:message]
  return {result: 'success'}.to_json
end

post '/event/:event_id/delete' do |event_id|
  require_login
  content_type :json
  event = Event[id: event_id]

  if event.site_id == current_site.id || event.created_by?(current_site)
    event.delete
    return {result: 'success'}.to_json
  end

  return {result: 'error'}.to_json
end